30426624 has 160 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 9676800.

The previous prime is 30426607. The next prime is 30426637. The reversal of 30426624 is 42662403.

30426624 is a `hidden beast` number, since 30 + 4 + 2 + 6 + 624 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428509 + ... + 428579.

It is an arithmetic number, because the mean of its divisors is an integer number (589248).

Almost surely, 2^30426624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30426624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47139840).

30426624 is an abundant number, since it is smaller than the sum of its proper divisors (63853056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30426624 is an equidigital number, since it uses as much as digits as its factorization.

30426624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 30426624 is about 5516.0333574046. The cubic root of 30426624 is about 312.1892343148.

The spelling of 30426624 in words is "thirty million, four hundred twenty-six thousand, six hundred twenty-four".